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Finding the Fourth Proportional to 360,801.36, 540,733.50 and 147,319.38

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Solution

The fourth proportional to 360,801.36, 540,733.50 and 147,319.38 is: 220,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,801.36 : 540,733.50 = 147,319.38 : x
  2. Step 2: Convert to fraction form
    360,801.36/540,733.50 = 147,319.38/x
  3. Step 3: Cross multiply
    360,801.36x = 540,733.50 × 147,319.38
  4. Step 4: Simplify right side
    360,801.36x = 79,660,523,965.23
  5. Step 5: Solve for x
    x = 79,660,523,965.23/360,801.36
  6. Step 6: Final answer
    x = 220,787.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.